https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79704#M657595 <HTML><HEAD></HEAD><BODY><P>At least two, you are correct. PAT is limited to basic web functions, browsing, ftp, mail, etc but you may have problems with streaming audio/video for example. If you can afford a small pool of addresses and PAT the overload, that&#146;s best. </P></BODY></HTML> Thu, 07 Feb 2002 14:56:32 GMT beth-martin 2002-02-07T14:56:32Z https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79703#M657584 <P>what is the minmum number of public ip address required to allow inside - outside internet browsing through a Pix firewall. (not using DHCP from ISP)</P><P>(1) for outside interface</P><P>&amp;</P><P>(1) for PAT address</P><P></P><P>The way I see it is (2) static public I.P address.</P><P>Please verify ..</P> Fri, 21 Feb 2020 05:58:12 GMT https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79703#M657584 m.lesnick 2020-02-21T05:58:12Z https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79704#M657595 <HTML><HEAD></HEAD><BODY><P>At least two, you are correct. PAT is limited to basic web functions, browsing, ftp, mail, etc but you may have problems with streaming audio/video for example. If you can afford a small pool of addresses and PAT the overload, that&#146;s best. </P></BODY></HTML> Thu, 07 Feb 2002 14:56:32 GMT https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79704#M657595 beth-martin 2002-02-07T14:56:32Z https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79705#M657603 <HTML><HEAD></HEAD><BODY><P>The more recent versions of PIX IOS require only one IP address. The syntax is:</P><P></P><P>global [(if_name)] nat_id interface</P><P></P><P>PAT, then, is processed thru the interface IP address.</P></BODY></HTML> Fri, 08 Feb 2002 05:07:47 GMT https://community.cisco.com/t5/network-security/pix-ip-s-required/m-p/79705#M657603 cyee 2002-02-08T05:07:47Z